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        //           false         true                true           true
        console.log(4 >= 6 || '人' != '阿凡达' && !(12 * 2 == 144) && true); //true
                 
        var num = 10;
        //             true            true
        console.log(5 == num / 2 && ( 2 + 2 * num).toString() === '22');//true
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